package com.example.demo.service;

import com.example.demo.pojo.User;

import java.util.List;

public interface UserService {
    //通过手机号查询
    List<User> selectByphonenumber(String phonenumber);
    //新增用户
    int insert(User user);
    //修改用户
    int updateByUserId(User user);
}
